ssh public key now defined as variable. User can define it under the main deployment file

multiple/shared_modules/cloud_init.yaml

@@ -0,0 +1,10 @@
+#cloud-config
+disable_root: true
+users:
+  - name: groot
+    sudo: ALL=(ALL) NOPASSWD:ALL
+    groups: wheel,sudo,adm
+    shell: /bin/bash
+    ssh_authorized_keys:
+      - ${ssh_key}                                                                                                                                                                   
+    ssh_pwauth: false